/*static 300px x 300px of dimensions*/
body {
    background: tan;
    padding: 10px 0;
    background-color: tan;
    background-image: url();
    background-repeat: repeat-x;
    background-position: top center;
    height: 320px;
}
.b {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-size: 16px;
    color: #000;
    font-family: consolas, monaco, menlo, courier, monospace;
    border: 0;
    line-height: normal;
}

.c {
    text-align: center;
    margin: auto;
}

.ib {
    display: inline-block;
}
.circle {
    height: 300px;
    width: 300px;
    border: 10px solid #333;
    background-color: #ddd;
    background-image: url();
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 20px;
    overflow: hidden;
    display: none;
    transition: border-radius 0.25s;
}
.n {
    position: absolute;
    width: 280px;
    height: 22px;    
    margin-top: 129px;
    transform-origin: center center;
    z-index: 2;
}
.br {
    position: absolute;
    margin-top: 80px;
    margin-left: 85px;
    font-size: 24px;
    width: 100px;
    color: #bbb;
    text-shadow: 1px 1px 2px #fff;
}
.dn {
    display: none;
    margin-top: 10px;
}
.n:first-child {
    transform: rotate(-60deg)
}
.n:first-child > .tn {
    transform: rotate(60deg);
}
.n:nth-child(2) {
    transform: rotate(-30deg)
}
.n:nth-child(2) > .tn {
    transform: rotate(30deg);
}
.n:nth-child(3) {
    transform: rotate(0)
}
.n:nth-child(3) > .tn {
    transform: rotate(0deg);
}
.n:nth-child(4) {
    transform: rotate(30deg)
}
.n:nth-child(4) > .tn {
    transform: rotate(-30deg);
}
.n:nth-child(5) {
    transform: rotate(60deg)
}
.n:nth-child(5) > .tn {
    transform: rotate(-60deg);
}
.n:nth-child(6) {
    transform: rotate(90deg)
}
.n:nth-child(6) > .tn {
    transform: rotate(-90deg);
}
.tn {
    float: right;
    text-shadow: 1px 1px 2px #fff;
    color: #888;
    padding: 4px;
    height: 22px;
    width: 22px;
    font-size: 12px;
    border-radius: 50%;
    transform-origin: center center;
}
.tn:first-of-type {
    float: left;
}
.needle {
    position: absolute;
    height: 4px;
    background: #333;
    border-radius: 100% 5px 5px 100%;
    width: 145px;
    margin-top: 138px;
    margin-left: 12px;
    transform-origin: 128px 50%;
    background: brown;
    z-index: 5;
}
.medium {
    height: 8px;
    width: 120px;
    margin-top: 136px;
    margin-left: 37px;    
    background: rosybrown;
    z-index: 4;
    transform-origin: 102px 50%;
}
.short {
    height: 10px;
    width: 100px;
    margin-top: 136px;
    margin-left: 57px;
    background: #333;
    transform-origin: 83px 50%;
    z-index: 3;
}
.pivot {
    height: 16px;
    width: 16px;
    border-radius: 50%;
    border: 4px solid brown;
    background: #fff;
    position: relative;
    float: right;
    right: 10px;
    top: -6px;
    box-shadow: 0 0 4px #000 inset;
}
.circle:hover {
    cursor: pointer;
    border-radius: 50%;
}